Feathers and leathers: fashion houses give cycling a luxury makeover

From gold-plated forks to hand-crafted panniers, luxury goods retailers are adding bling to the bicycle

John Galliano to make his debut for Margiela in London next January

John Galliano, the current creative director at Maison Martin Margiela, who was previously fired from Christian Dior for making racist and anti-semitic remarks, has announced he will show his debut couture collection in London this January

Christian Dior is a (slimline) winner at Tokyo’s national sumo wrestling arena

Raf Simons’s futuristic collection forms the centre of the house’s charm offensive in Japan – and there’s not a kimono in sight

Prada brings artistic spirit into Milan’s industrial centre

Former distillery to become city’s newest and largest gallery of contemporary art

From grilled cheese sandwiches with gherkins to champagne saucers: what’s hot and what’s not this week

Say yes: Puma’s Arsène Wenger coat, Maharishi, Giorgio Armani lip maestro. Say no: the backwards soul patch, power suits, to-do lists, unnecessary covers

Should I worry about cheap cashmere?

Just about every clothing supplier out there is offering deals on cashmere, including the cheap ones. Should I be concerned?

If you have an ethical dilemma, email Lucy at lucy.siegle@observer.co.uk